高技术通讯2012，Vol.22Issue(6)：576-582,7.DOI:10.3772/j.issn.1002-0470.2012.06.004
时移非正交频分复用及其与正交频分复用的比较
Comparison between time shifted non-orthogonal frequency division multiplexing and OFDM
摘要
Abstract
A novel time shifted non-orthogonal frequency division multiplexing ( TS-NFDM) technology is created by introducing the time-shift factor into multi-carrier modulation, and its performance is compared by theoretical analysis and simulation experiment with the orthogonal frequency division multiplexing ( OFDM) , an important technique in the present wireless communications. The comparison results show that the time-shift character brings TS-NFDM varieties of advantages, among which, the distinct one is its higher bandwidth efficiency, approximately 4. 29 times higher than the OFDM. Moreover, its peak to average ratio in signal power, is obviously lower than the OFDM.关键词
正交频分复用(DFDM)/时移非正交频分复用(TS-NFDM)/奈奎斯特速率/频带利用率Key words
orthogonal frequency division multiplexing ( OFDM) / time shifted non-orthogonal frequency division multiplexing (TS-NFDM) / Nyquist rate/ bandwidth efficiency引用本文复制引用
贺明妍,梁德群,曹祁生..时移非正交频分复用及其与正交频分复用的比较[J].高技术通讯,2012,22(6):576-582,7.基金项目
国家自然科学基金(60272017,60772160)资助项目. （60272017,60772160）
